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User's Guide
SLVU252 – August 2008
TPS61054EVM-350
This user’s guide describes the characteristics, operation, and use of the TPS61054EVM-350 evaluation
module (EVM). This EVM demonstrates the Texas Instruments TPS61054 synchronous
boost-converter-based high-power WLED driver. This document includes setup instructions, a schematic
diagram, a bill of materials, and PCB layout drawings for the evaluation module.
Contents
1 Introduction ................................................................................................................... 2
2 Input/Output Connector Descriptions...................................................................................... 2
3 Test Results .................................................................................................................. 4
4 Board Layout ................................................................................................................. 7
5 Schematic and Bill of Materials ........................................................................................... 10
6 Related Documentation From Texas Instruments ..................................................................... 12
List of Figures
1 LED Efficiency vs Input Voltage – Torch Mode with ILED=75mA ..................................................... 4
2 LED Efficiency vs Input Voltage – Single-Pulse Flash Mode with ILED=700mA .................................... 5
3 Torch Flash Sequence ...................................................................................................... 5
4 Start-Up in Torch ............................................................................................................. 6
5 Voltage-Mode Efficiency .................................................................................................... 6
6 Voltage-Mode Load Transient .............................................................................................. 7
7 Assembly Layer .............................................................................................................. 8
8 Top Layer ..................................................................................................................... 8
9 Layer 2 ........................................................................................................................ 9
10 Layer 3 ....................................................................................................................... 9
11 Bottom Layer ................................................................................................................ 10
12 TPS61054/5EVM-350 Schematic ........................................................................................ 11
List of Tables
1 Typical Performance Specification Summary ............................................................................ 2
2 Jumper Settings .............................................................................................................. 4
3 HPA350A Bill of Materials ................................................................................................. 12
SLVU252 – August 2008 TPS61054EVM-350 1
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Verzeichnis
- ・ Blockdiagramm on Seite 10 Seite 11
- ・ Technische Daten on Seite 2
- ・ Anwendungsbereich on Seite 14
